DS DS/EN 14881
DS DSEN 14881 2005-SEP-09 Surface actve agents - Determnaton of N-3-dmethylamnopropyl-alkylamde content n alkylamdopropylbetanes - Gas chromatographc method
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This European Standard specifies a method for the determination of the content of free N-(3-dimethylaminopropyl)-alkylamides (amidoamine) in alkylamidopropylbetaines, expressed in grams per 100 g of product.
This method is applicable in the range between 0,02 g and 1,0 g of amidoamine per 100 g of product.